Galveodon

Galveodon is an extinct, Spanish mammal of the Lower Cretaceous. It was a relatively early representative of the also extinct order of Multituberculata. It lived during 'the age of the dinosaurs'.
(For the more technically inclined, suborder "Plagiaulacida", family Paulchoffatiidae.)

Genus: Galveodon Hahn G & Hahn R, 1992
Aka: Calveodon (on-line spelling mistake)

Species: Galveodon nannothus Hahn G & Hahn R, 1992
Place: Galve
Country: Spain
Age: Barremian, Lower Cretaceous
Remarks: This is a tooth in the collection of the museum in Galve. It may not be the most spectacular find of all time, but it's better than nothing.
Reference: Hahn & Hahn (1992), Neue Multituberculates-Zähne aus der Unter-Kreide (Barremian) von Spanien (Galve und Una). Geologica et Parlaeontologica, 28, p.143-162.
(New multituberculate teeth from the Lower Cretaceous (Barremian) of Spain (Galve and Una).)

Page references: Hahn G & Hahn R (2000), Multituberculates from the Guimarota mine, p.97-107 in Martin T & Krebs B (eds), Guimarota - A Jurassic Ecosystem, Verlag Dr Friedrich Pfeil, München.
Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.

(This information has been derived from [1] (http://home.arcor.de/ktdykes/multis.htm) Multituberculata Cope, 1884. As that's my webpage, there are no issues of copyright. Trevor Dykes)